Update mcp_server

mcp_server

@@ -4,24 +4,24 @@ from smolagents import MCPClient, CodeAgent
 
 
 def respond(message, history):
-    """Send the message to the MCP‑powered agent and return its reply."""
+    """Send the message to the MCP-powered agent and return its answer."""
     params = StdioServerParameters(command="python", args=["mcp_server.py"])
     with MCPClient(params) as tools:
-        agent = CodeAgent(tools=tools, model="gpt-4")  # replace with your model or OpenAI wrapper
+        agent = CodeAgent(tools=tools, model="gpt-4")  # swap for your model
         answer = agent.run(message)
     history.append((message, answer))
     return history, history
 
 
 with gr.Blocks() as demo:
-    state = gr.State([])
+    chat_state = gr.State([])
     chatbot = gr.Chatbot(label="Enterprise SQL Agent")
 
     textbox = gr.Textbox(
         show_label=False,
         placeholder="Ask: Who are my inactive Northeast customers?",
     )
-    textbox.submit(respond, [textbox, state], [chatbot, state])
+    textbox.submit(respond, [textbox, chat_state], [chatbot, chat_state])
 
     gr.Markdown(
         """
@@ -32,4 +32,6 @@ with gr.Blocks() as demo:
         """
     )
 
+    gr.Markdown("Built with MCP, smolagents, and Gradio")
+
 demo.launch()